Detailed comparison and review of Samsung Galaxy A40 and Xiaomi Redmi Note 8. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Samsung Galaxy A40 | Xiaomi Redmi Note 8 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A405FN/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 144.4 mm | 158.3 mm | Xiaomi Redmi Note 8 has greater height than Samsung Galaxy A40. |
| Width | 69.2 mm | 75.3 mm | Xiaomi Redmi Note 8 has greater width than Samsung Galaxy A40. |
| Depth | 7.9 mm | 8.35 mm | Samsung Galaxy A40 is narrower than Samsung Galaxy A40. |
| Weight | 140 g | 190 g | Samsung Galaxy A40 is lighter than Samsung Galaxy A40. |
| Body Colour | Blue | Coral | White | Black | Moonlight white | Space black | Neptune blue | |
| Body Material | - | Corning Gorilla Glass 5 | |
| Protection | - | Splash-resistant | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.34 W/kg (body), 0.49 W/kg (head) | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Samsung Galaxy A40 | Xiaomi Redmi Note 8 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Super AMOLED | - | |
| Screen Size (Display Size) | 5.9" | 6.3" | Xiaomi Redmi Note 8 has larger screen size than Samsung Galaxy A40. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2340 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 439 ppi | - | |
| Aspect Ratio | - | 19.5:9 | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | Blue light filter | Sunlight mode | |
| Display Features | Always-on display, Infinity Display, Edge-to-Edge screen | Eye protection mode, Colour temperature adjustment, night mode, Dot Drop display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A40 | Xiaomi Redmi Note 8 |
|---|
| Processor Type (CPU) | Samsung Exynos | Qualcomm Snapdragon 665 | |
|---|---|---|---|
| Processor Number | 7904 | - | |
| Clock Speed | 1.8 GHz | 2 GHz | Xiaomi Redmi Note 8 has higher clock speed than Samsung Galaxy A40. |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | - | Qualcomm ADRENO 610 |
| MEMORY | Samsung Galaxy A40 | Xiaomi Redmi Note 8 |
|---|
| RAM | 4 GB | 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
| User Memory | 49.4 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSDXC |
| CAMERA | Samsung Galaxy A40 | Xiaomi Redmi Note 8 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 48 Megapixel | Xiaomi Redmi Note 8 has better camera resolution than Samsung Galaxy A40. |
| Sensor Size | - | 1.2" | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.7 | F/1.75 | Samsung Galaxy A40 has better lens aperture than Samsung Galaxy A40. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | - | 79.4 degree(s) | |
| Pixel Size | - | 0.8 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| Camera Modes | Panorama, Pro mode, HYPERLAPSE, portrait mode, AR Emoji, Flowers, Animals, Landscapes, Trees, Sky, Mountains, Beaches, Street scenes, Waterfalls, Snow, Birds, Text, Food, Indoor, Night view, Sunsets, Portaits, Green, Sunrises, Shore | Burst mode, Panorama, Pro mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Beautify | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 8 has face detection. |
| Light Source | LED flash | Single tone LED flash | |
| Still Image Resolutions | - | 8000 x 6000 | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection | EIS video stabilisation, 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Steady handheld night photography, levelling, full screen frame |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 8 Megapixel | Xiaomi Redmi Note 8 has better second camera resolution than Samsung Galaxy A40. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | 123 degree(s) | 120 degree(s) | Samsung Galaxy A40 has larger second camera lens field of view than Xiaomi Redmi Note 8. |
| Pixel Size (2nd Camera) | - | 1.12 μm |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Pixel Size (4th Camera) | - | 1.75 μm |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 25 Megapixel | 13 Megapixel | Samsung Galaxy A40 has better front camera resolution than Xiaomi Redmi Note 8. |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | Automatic | - | |
| Camera Modes (Front) | Portrait mode, AR Emoji, Motion Photos | Panorama, Hand Gesture, Portrait, Beautify | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 8 has face detection. |
| Light Source (Front) | Display flash | - | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | Floating camera button | Self-timer, camera display brightness correction, AI seperation, selfie mirror, blur adjustment, full screen frame |
| BATTERY AND CHARGING | Samsung Galaxy A40 | Xiaomi Redmi Note 8 |
|---|
| Battery Capacity (Battery Size) | 3100 mAh | 4000 mAh | Xiaomi Redmi Note 8 has larger battery capacity than Samsung Galaxy A40. |
|---|---|---|---|
| Fast Charging Technology | Samsung Fast Charging | - | Samsung Galaxy A40 has fast charging technology. |
| Recharge Time (Charging Time) | - | 2 hour(s) | |
| Talk Time | 1080 minutes | - | |
| Run Time Details | Active online usage (3G): up to 9 hrs Active online usage (4G): up to 11 hrs Active online usage (Wi-Fi): up to 11 hrs Playback (video): up to 14 hrs Playback (audio): up to 62 hrs Talk (3G): up to 1080 min |
- | |
| Battery Technology | - | Lithium polymer |
| CELLULAR | Samsung Galaxy A40 | Xiaomi Redmi Note 8 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 9.0 Pie | - | |
| User Interface | Samsung One UI | - | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy A40 | Xiaomi Redmi Note 8 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+ | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 4.2 | |
| NFC | Yes | - | Samsung Galaxy A40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy A40 | Xiaomi Redmi Note 8 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, AAC, AMR, MP3, FLAC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC | |
| Sound Enhancements | Dolby Atmos sound technology | - | |
| Audio Amplifier | - | Smart PA |
| FEATURES | Samsung Galaxy A40 | Xiaomi Redmi Note 8 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Alarm Clock, Fast Charging | Infrared remote control, Dual microphones, Fast Charging, AI Engine, auto cleaning speaker |
| OTHERS | Samsung Galaxy A40 | Xiaomi Redmi Note 8 |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable, soft case |
|---|
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